CrFeCo / FeCrCo / Crovac as a new type magnet has come into the world in 1970’s. It is widely used in space, aviation, shipping instrument, automobile instrument, magnetic motor, compass, computer embroider machine and signal system etc.
FeCrCo/CrFeCo has good plasticity, ductility and machining ability. And can be drilled, planed, stamped and other machining operations. The minimum diameter can be 0.05 mm and the thickness of strip can be 0.1 mm, especially suit for tinny elements with accurate dimensions and complicated shapes, such as strip, wire, bar and tube etc.
FeCrCo/Crovac has excellent temperature stability, good corrosion resistance and high curie temperature(around 680℃). The maximum working temperature is 400℃.
FeCrCo Features
1. Properties of FeCrCo permanent magnet alloy are close to properties of permanent magnet alloy.
2. FeCrCo permanent magnet alloy has good machining performance, and can be drilled、planed、weared、stampted and other machining operations.
3. FeCrCo permanent magnets can be made into small 、slender componets of various shapes, the minimum wire diameter can be up to 0.05mm, the thickness of thinnest strip is only 0.1mm.
4. FeCrCo permanent magnet alloy has excellent temperature stablity、good corrosion resistance and high curie temperature(about 680℃), the maximum working temperature is 400℃. Black Epoxy Plated Neodymium Anisotropic Radial Magnet
Properties stable
Properties | Max.Energy product (BH)max | Residual Fulx Br | Coercive Force Hcj | Intrinsic Corecive Force Hcj | Density | Temperature Cofficiencα (Br) | Remark |
Grade | Minimum value | Typical value | |||||
KJ/m3 (MGOe) | mT (kGs) | KA/m (kOe) | KA/m ( kOe) | g/cm3 | %k | Isotropy | |
CrFeCo4/1 Semi-hard magnetic | 4-8 (0.5-1.0) | 800-1000 (8.5-10) | 8-31 (0.10-0.40) | 9-23 (0.11-0.4) | 7.7 | -0.03 | |
CrFeCo10/3 | 10-13 (1.1-1.6) | 800-900 (8.9-9.0) | 31-39 (0.40-0.48) | 32-40 (0.41-0.49) | 7.7 | -0.03 | |
CrFeCo12/4 | 12-18 (1.5-2.2) | 750-800 (7.5-8.5) | 40-46 (0.50-0.58) | 41-47 (0.51-0.59) | 7.7 | -0.02 | |
CrFeCo12/5 | 12-16 (1.5-2.0) | 700-800 (7.0=8.0) | 42-48 (0.53-0.60) | 43-49 (0.54-0.61) | 7.7 | -0.02 | Anisotropy |
CrFeCo1/1 Semi-hard magnetic | 1-9 (0.1-1.1) | 900-1300 (9-13) | 2-8 (0.025-0.1) | 2-8 (0.025-0.1) | 7.7 | -0.03 | |
CrFeCo12/2 Semi-hard magnetic | 12-36 (1.5-4.5) | 1300-1450 (130.0-14.5) | 12-40 (0.15-0.5) | 13-41 (0.16-0.51) | 7.7 | -0.03 | |
CrFeCo24/6 | 24-30 (3.0-3.8) | 900-1100 (9.9-11) | 55-66 (0.70-0.83) | 57-67 (0.71-0.84) | 7.7 | -0.02 | |
CrFeCo28/5 | 28-36 (3.5-4.5) | 1100-1250 (11.0-12.5) | 49-58 (0.61-0.73) | 50-59 (0.62-0.74) | 7.7 | -0.02 | |
CrFeCo44/4 | 44-52 (5.5-6.5) | 1300-1450 (13.0-14.5) | 44-51 (0.56-0.64) | 45-52 (0.57-0.64) | 7.7 | -0.03 | |
CrFeCo48/5 | 48-55 (6.0-6.9) | 1320-1450 (13.2-14.5) | 48-53 (0.6-0.67) | 49-54 (0.61-0.68) | 7.7 | -0.03 | |
Sizes and models of FeCrCo permanent magnet alloy
Shape | Size(mm) | State |
Strip | Thickness*width | Soft,hard |
Wire | φ0.1～φ8.0 | Soft,hard |
Bar | φ8-φ60 | Forging |
tube | Outer diameter*Inner diameter | Soft,hard |
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